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USB3813I-1080XY 参数 Datasheet PDF下载

USB3813I-1080XY图片预览
型号: USB3813I-1080XY
PDF下载: 下载PDF文件 查看货源
内容描述: USB 2.0高速3端口集线器控制器经过优化,用于便携式应用 [USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications]
分类和应用: 控制器便携式
文件页数/大小: 68 页 / 882 K
品牌: SMSC [ SMSC CORPORATION ]
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USB 2.0 Hi-Speed 3-Port Hub Controller Optimized for Portable Applications  
Datasheet  
3.1  
Ball Descriptions  
This section provides a detailed description of each ball. The signals are arranged in functional groups  
according to their associated interface.  
The “_N” symbol in the signal name indicates that the active, or asserted, state occurs when the signal  
is at a low voltage level. For example, RESET_N indicates that the reset signal is active low. When  
“_N” is not present after the signal name, the signal is asserted when at the high voltage level.  
The terms assertion and negation are used exclusively. This is done to avoid confusion when working  
with a mixture of “active low” and “active high” signals. The term assert, or assertion, indicates that a  
signal is active, independent of whether that level is represented by a high or low voltage. The term  
negate, or negation, indicates that a signal is inactive.  
Note: The buffer type for each signal is indicated in the BUFFER TYPE column of Table 3.1. A  
description of the buffer types is provided in Section 3.3.  
Table 3.1 Ball Descriptions  
NUM  
BALLS  
BUFFER  
TYPE  
NAME  
SYMBOL  
DESCRIPTION  
USB/HSIC INTERFACES  
Upstream  
USB D+  
(Flex Port 0)  
DP0  
DM0  
AIO  
AIO  
Upstream USB Port 0 D+ data signal.  
Note:  
The upstream Port 0 signals can be  
optionally swapped with the  
downstream Port 1 signals.  
1
1
1
1
Upstream  
USB D-  
(Flex Port 0)  
Upstream USB Port 0 D- data signal.  
Note:  
The upstream Port 0 signals can be  
optionally swapped with the  
downstream Port 1 signals.  
Downstream  
HSIC Data  
(Swap Port 1)  
DATA1  
STRB1  
HSIC  
HSIC  
Downstream HSIC Port 1 DATA signal.  
Note:  
The downstream Port 1 signals can be  
optionally swapped with the upstream  
Port 0 signals.  
Downstream  
HSIC Strobe  
(Swap Port 1)  
Downstream HSIC Port 1 STROBE signal.  
Note:  
The downstream Port 1 signals can be  
optionally swapped with the upstream  
Port 0 signals.  
Downstream  
USB D+  
(Port 2)  
DP2  
DM2  
DP3  
DM3  
AIO  
AIO  
AIO  
AIO  
Downstream USB Port 2 D+ data signal.  
Downstream USB Port 2 D- data signal.  
Downstream USB Port 3 D+ data signal.  
Downstream USB Port 3 D- data signal.  
1
1
1
Downstream  
USB D-  
(Port 2)  
Downstream  
USB D+  
(Port 3)  
Downstream  
USB D-  
1
(Port 3)  
SMSC USB3813  
11  
Revision 1.0 (06-17-13)  
DATASHEET